99740000

素因数分解:

$2^5\times 5^4\times {\mathrm{4987}}^1$

素因数の和:5017

約数の個数: 60

約数和(自身を含む): 245424564

約数和(自身を除く): 145684564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 4000, 4987, 5000, 9974, 10000, 19948, 20000, 24935, 39896, 49870, 79792, 99740, 124675, 159584, 199480, 249350, 398960, 498700, 623375, 797920, 997400, 1246750, 1994800, 2493500, 3116875, 3989600, 4987000, 6233750, 9974000, 12467500, 19948000, 24935000, 49870000, 99740000]

約数ペア:

[(1, 99740000), (2, 49870000), (4, 24935000), (5, 19948000), (8, 12467500), (10, 9974000), (16, 6233750), (20, 4987000), (25, 3989600), (32, 3116875), (40, 2493500), (50, 1994800), (80, 1246750), (100, 997400), (125, 797920), (160, 623375), (200, 498700), (250, 398960), (400, 249350), (500, 199480), (625, 159584), (800, 124675), (1000, 99740), (1250, 79792), (2000, 49870), (2500, 39896), (4000, 24935), (4987, 20000), (5000, 19948), (9974, 10000)]